Vacuum bottle



FIG. 1 is a rear elevational of a vacuum bottle showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof; the left side being the same;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a sectional view thereof taken along line 6--6 in FIG 2; and

FIG. 7 is a perspective view thereof. 

The ornamental design for a vacuum bottle, as shown and described. 